Gaya APA

al.], F, G, C, Ã. (2006). Obstetri williams volume 2 = Williams obstetrics, 21 ed (edisi 21, cet. 1). Jakarta: EGC.

Gaya MLA

al.], F., Gary, Cunningham, …[et. "Obstetri williams volume 2 = Williams obstetrics, 21 ed". edisi 21, cet. 1 Jakarta: EGC, 2006. TEXT.